Home / 66,653.20-99,981.60-29,194

Finding the Fourth Proportional to 66,653.20, 99,981.60 and 29,194

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Solution

The fourth proportional to 66,653.20, 99,981.60 and 29,194 is: 43,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,653.20 : 99,981.60 = 29,194 : x
  2. Step 2: Convert to fraction form
    66,653.20/99,981.60 = 29,194/x
  3. Step 3: Cross multiply
    66,653.20x = 99,981.60 × 29,194
  4. Step 4: Simplify right side
    66,653.20x = 2,918,862,830.40
  5. Step 5: Solve for x
    x = 2,918,862,830.40/66,653.20
  6. Step 6: Final answer
    x = 43,791.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.